Current File : //proc/self/root/opt/cloudlinux/venv/lib/python3.11/site-packages/pluggy/_result.py
"""
Hook wrapper "result" utilities.
"""
from __future__ import annotations
from types import TracebackType
from typing import Callable
from typing import cast
from typing import Generator
from typing import Generic
from typing import Optional
from typing import Tuple
from typing import Type
from typing import TYPE_CHECKING
from typing import TypeVar
if TYPE_CHECKING:
from typing import NoReturn
_ExcInfo = Tuple[Type[BaseException], BaseException, Optional[TracebackType]]
_T = TypeVar("_T")
def _raise_wrapfail(
wrap_controller: (
Generator[None, _Result[_T], None] | Generator[None, object, object]
),
msg: str,
) -> NoReturn:
co = wrap_controller.gi_code
raise RuntimeError(
"wrap_controller at %r %s:%d %s"
% (co.co_name, co.co_filename, co.co_firstlineno, msg)
)
class HookCallError(Exception):
"""Hook was called incorrectly."""
class _Result(Generic[_T]):
__slots__ = ("_result", "_exception")
def __init__(
self,
result: _T | None,
exception: BaseException | None,
) -> None:
self._result = result
self._exception = exception
@property
def excinfo(self) -> _ExcInfo | None:
exc = self._exception
if exc is None:
return None
else:
return (type(exc), exc, exc.__traceback__)
@property
def exception(self) -> BaseException | None:
return self._exception
@classmethod
def from_call(cls, func: Callable[[], _T]) -> _Result[_T]:
__tracebackhide__ = True
result = exception = None
try:
result = func()
except BaseException as exc:
exception = exc
return cls(result, exception)
def force_result(self, result: _T) -> None:
"""Force the result(s) to ``result``.
If the hook was marked as a ``firstresult`` a single value should
be set, otherwise set a (modified) list of results. Any exceptions
found during invocation will be deleted.
This overrides any previous result or exception.
"""
self._result = result
self._exception = None
def force_exception(self, exception: BaseException) -> None:
"""Force the result to fail with ``exception``.
This overrides any previous result or exception.
.. versionadded:: 1.1.0
"""
self._result = None
self._exception = exception
def get_result(self) -> _T:
"""Get the result(s) for this hook call.
If the hook was marked as a ``firstresult`` only a single value
will be returned, otherwise a list of results.
"""
__tracebackhide__ = True
exc = self._exception
if exc is None:
return cast(_T, self._result)
else:
raise exc.with_traceback(exc.__traceback__)
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